# Copyright 2020 Makani Technologies LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import unittest

from makani.lib.python import algorithms


class TestTraverseNestedDict(unittest.TestCase):

  def testMe(self):
    nested = {
        'Bacteria': 'Eubacteria',
        'Eukarya': {
            'Animalia': {
                'Chordata': {
                    'Mammalia': {'Primates': 'Hominidae'},
                    'Porifera': 'Calcarea'},
                },
            'Plantae': 'Bryophata',
        },
    }

    flattened = {'.'.join(keys): value
                 for keys, value in algorithms.TraverseNestedDict(nested)}
    expected = {
        'Bacteria': 'Eubacteria',
        'Eukarya.Animalia.Chordata.Mammalia.Primates': 'Hominidae',
        'Eukarya.Animalia.Chordata.Porifera': 'Calcarea',
        'Eukarya.Plantae': 'Bryophata',
    }
    self.assertEqual(flattened, expected)


if __name__ == '__main__':
  unittest.main()
